
/*******************************************************************************
 * Copyright (c) 1991, 2014 IBM Corp. and others
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] http://openjdk.java.net/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 *******************************************************************************/

/**
 * @file
 * @ingroup GC_Structs
 */

#include "j9.h"
#include "j9cfg.h"
#include "ModronAssertions.h"

#include "VMClassSlotIterator.hpp"

/**
 * @return the next slot containing an object reference
 * @return NULL if there are no more such slots
 */
J9Class **
GC_VMClassSlotIterator::nextSlot()
{
	if(_scanPtr < _endPtr) {
		return _scanPtr++;
	}
	return NULL;
}


void
GC_VMClassSlotIterator::setNextSlot(J9Class **slot)
{
	/* TODO (JAZZ 47325): Fix how we link GCCheck such that it can find these trace symbols (otherwise, uncommenting these will cause link failures on AIX and z/OS)
	Assert_MM_true(slot >= _scanPtr);
	Assert_MM_true(slot <= _endPtr);
	*/

	_scanPtr = slot;
}
